Re: [PATCH -cfs] Fix cpu_load calculation error

[Ingo Molnar]

* Srivatsa Vaddagiri <vatsa@xxxxxxxxxxxxxxxxxx> wrote:

> Ingo/Dmitry,
> 	I am resending the patch to fix cpu_load calculation error in 
> cfs v17, this time CCing lkml.

> v17 cpu_load calculation didn't take into account that a class's 
> delta_exec/fair may be stale because it could not get an opportunity 
> to run. This can lead to incorrect calculation of a class's load. This 
> patch removes load tracking from individual classes and instead 
> introduces a global per-cpu load tracking common to all classes in 
> kernel/sched.c itself.
> 
> Thanks to Dmitry for suggesting this idea.
> 
> Signed-off-by : Srivatsa Vaddagiri <vatsa@xxxxxxxxxxxxxxxxxx>

thanks Srivatsa, i've applied this to the -v18 tree and everything's 
looking good so far!

	Ingo
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